It adds little jimmy's well just south of Field's Shack which is southwest of Nellis. There is a unique weapon in there called the Abeliene Kid BB Gun (yeah, it's only a BB gun :( ) and you just go into the well and grab it, I think there's a mole rat in there too or something. Not much.
And remember folks, If I don't deliever your first ass kicking within 99 seconds, your next is absolutely free. XBL GT: WildKittyv2